In this amazingly imaginative tale, Allan Quatermain, Mina Murray, Captain Nemo, Dr. Henry Jekyll and Edward Hyde, and Hawley Griffin, the Invisible Man unite to defeat a deadly menace to London and all Britons!

Then, one month later, the skies over England are filled with flaming rockets as Mars launches the first salvo of an invasion. Only our stalwart adventurers can save mother England and the Earth itself.